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Large caliber standard plate precison regulation stand

A standard plate, precision adjustment technology, applied in the field of precision adjustment racks, can solve the problems of installation and adjustment of large-caliber standard plates, and achieve the effects of novel structure, simple overall structure and high stability

Inactive Publication Date: 2005-01-05
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the increase of the diameter of the standard plate, the influence of gravity and other factors on the surface shape and the adjustment mechanism must be considered. The above-mentioned traditional mechanism method is no longer suitable for the installation and adjustment of the large-diameter standard plate.

Method used

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  • Large caliber standard plate precison regulation stand
  • Large caliber standard plate precison regulation stand
  • Large caliber standard plate precison regulation stand

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Experimental program
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Embodiment Construction

[0022] see first figure 1 , figure 1 It is a longitudinal sectional schematic diagram of the best embodiment of the large-diameter standard flat plate precision adjustment mount of the present invention. It can be seen that the large-diameter standard flat plate precision adjustment frame of the present invention mainly includes four major components: a frame component 1 , a frame adjustment plate component 2 , a seat frame 3 and a driving device component 4 .

[0023] The structure of mount 3 is as figure 2 , image 3 shown. The seat frame 3 is integrally cast, wherein a round hole 307 with a diameter similar to the standard plate 106 is opened on the partition plate 308, and a casting pit is designed on the middle partition plate 308, which is used to improve the rigidity of the seat frame 3 and reduce the pressure of the seat frame. Rack 3 weight. There are two casting bosses 305 on the middle partition 308 , which are distributed diagonally, serving as a connection p...

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Abstract

The invention is a large-aperture standard board precise adjusting frame, the character lies in: it includes picture frame component, base frame and driving device component, it reduces the affection to figure and adjusting mechanism caused by the weight of the board through flat board supporting mode and unload device. The frame can bear large load, at the same time, it can guarantee a higher adjusting precision.

Description

Technical field: [0001] The invention relates to a precision adjustment frame, in particular to a large-diameter standard flat plate precision adjustment frame. It is mainly used for angle adjustment of standard flat plates in high-precision and large-diameter measuring instruments, and can also be used for precise angle adjustment of other large optical mirrors. Background technique: [0002] Optical precision measurement of large-scale optical components is an essential key step to improve the manufacturing accuracy of large-diameter optical components and improve the overall performance of optical instruments, while the standard flat plate is the benchmark for optical precision measurement. The adjustment accuracy of the flat panel directly affects the final measurement result. In the past, due to the difficulty in manufacturing large flat standard templates, usually the caliber can only be Φ150mm, so factors such as gravity have little influence on the flat surface shap...

Claims

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Application Information

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IPC IPC(8): G02B7/183
Inventor 刘志刚汤更秀王国兴朱健强
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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